An extension of Barnard's 1919 Astrophysical Journal paper "On the Dark Markings of the Sky, with a Catalogue of 182 Such Objects," the deep-sky atlas features reprints of the plates taken by Barnard with the 10-inch Bruce Photographic Telescope
while in residence at Mount Wilson.
Never a slave to false modesty, he described it as "the most complete and refined and powerful photographic telescope
Large CCD chips have spurred some astrophotographers to renew the age-old quest for the "perfect" photographic telescope
, and in some cases they've been dusting off exotic and nearly forgotten optical designs from the early days of photography.
For this he secured a grant from reclusive New York City heiress and astronomy patron Catherine Wolfe Bruce to purchase a 10-inch photographic telescope
. Built by Pittsburgh's noted instrument maker John Brashear, it rode on a mounting made by the Cleveland firm of Warner and Swasey.
In late 1882, Massachusetts astronomer David Peck Todd traveled to California to photograph the transit of Venus from the summit of Mount Hamilton, where a solar photographic telescope
made by the renowned optical firm Alvan Clark & Sons waited among the stacks of bricks and timbers from which Lick Observatory was rising.
The philanthropist Catherine Bruce had donated $7,000 for a photographic telescope
. Hale, always careful not to bruise Yerkes' ego, suggested that Harper postpone an announcement of this gift as he was "not at all sure that Mr.
Another requirement of photographic telescopes
was that their drives should be extremely precise and steady so that guiding should not have to be done too often during the long exposures.